HANGCHA CBD20-AC1S - Page 4

1.3.4 Maintenance.......................................................................................................................... 78
1.3.5 Fault and troubleshooting ...................................................................................................... 79
1.4 Drive system dismantle.......................................................................................................... 80
2 Hydraulic system ................................................................................................................... 81
2.1 Hydraulic system working principle ....................................................................................... 82
2.2 Hydraulic unit ......................................................................................................................... 84
2.3 Hydraulic unit dismantle ........................................................................................................ 87
2.4 Dismantle the lifting cylinder from the truck or replace ......................................................... 88
2.5 Hydraulic system fault diagnosis and correction ................................................................... 89
3 Electric system ...................................................................................................................... 90
3.1 Principles of electrical system ............................................................................................... 90
3.2 Controller ............................................................................................................................... 94
3.2.1 Maintenance.......................................................................................................................... 95
3.2.2 Diagnosis and troubleshooting .............................................................................................. 96
3.2.3 1232 Controller diagnosis and troubleshooting .................................................................... 98
Attachment ............................................................................. 111